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If a camera with a 60 mm lens is to resolve two objects that are 3.0 mm from each other and both objects are 4.0 m from the camera lens, what is the minimum diameter of the camera lens? (Assume the wavelength of light is 550 nm .) What is the resolving power?
What will be its length and height at rest
spring stretches by 0.0186 m when a 3.24-kg object is suspended from its end. How much mass should be attached to this spring so that its frequency of vibration is f = 5.53 Hz
The block on the left hass a mass of 0.40 kg and is initially moving to the right at 2.4 m/s toward a second block of mass 0.50 kg that is initially at rest. What is the velocity of the first block after the collision
A recording engineer works in a soundproofed room that is 39.4 dB quieter than the outside. what is the intensity outside
The fundamental frequency of a standing wave on a 1.3-m-long string is 410Hz. What would be the wave speed of a pulse moving along this string
Points A and B have electric potentials of 257 V and 129 V, respectively. When an electron released from rest at point A arrives at point C its kinetic energy is KE1, What is the electric potential at point C
Two point charges are on the y-axis. A 5.0 µC charge is located at y = 1.40 cm, and a -2.30 µC charge is located at y = -1.60 cm. Find the total electric potential at the origin
Gayle runs at a speed of 8.00 m/s and dives on a sled, initially at rest on the top of a frictionless, snow-covered hill, that has a vertical drop of 23.0 m. What is their speed at the bottom of the hill
A meterstick moving at 0.888c relative to the Earth's surface approaches an observer at rest with respect to the Earth's surface. What is the meterstick's length as measured by the observer
q1. for safety in climbing a mountaineer uses a nylon rope that is 69 m long and 1.0 cm in diameter. whilst supporting
A large merry-go-round completes one revolution every 36.0 s. Compute the acceleration of a child seated on it
Starting from rest, a 40 kg body reaches a speed of 8.0m/s in 2s. Calculate the force acting on the body?
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